private void CoreDispatcher_AcceleratorKeyActivated(CoreDispatcher sender, AcceleratorKeyEventArgs e)
{
if ((e.EventType == CoreAcceleratorKeyEventType.SystemKeyDown ||
e.EventType == CoreAcceleratorKeyEventType.KeyDown))
{
var coreWindow = Windows.UI.Xaml.Window.Current.CoreWindow;
var downState = CoreVirtualKeyStates.Down;
var virtualKey = e.VirtualKey;
bool winKey = ((coreWindow.GetKeyState(VirtualKey.LeftWindows) & downState) == downState || (coreWindow.GetKeyState(VirtualKey.RightWindows) & downState) == downState);
bool altKey = (coreWindow.GetKeyState(VirtualKey.Menu) & downState) == downState;
bool controlKey = (coreWindow.GetKeyState(VirtualKey.Control) & downState) == downState;
bool shiftKey = (coreWindow.GetKeyState(VirtualKey.Shift) & downState) == downState;
// raise keydown actions
var keyDown = new KeyboardEventArgs
{
AltKey = altKey,
Character = ToChar(virtualKey, shiftKey),
ControlKey = controlKey,
EventArgs = e,
ShiftKey = shiftKey,
VirtualKey = virtualKey
};
try { KeyDown?.Invoke(keyDown); }
catch { }
// Only investigate further when Left, Right, or the dedicated Previous or Next keys
// are pressed
if (virtualKey == VirtualKey.Left ||
virtualKey == VirtualKey.Right ||
(int)virtualKey == 166 ||
(int)virtualKey == 167 ||
(int)virtualKey == 69)
{
bool noModifiers = !altKey && !controlKey && !shiftKey;
bool onlyAlt = altKey && !controlKey && !shiftKey;
if (((int)virtualKey == 166 && noModifiers) ||
(virtualKey == VirtualKey.Left && onlyAlt))
{
// When the previous key or Alt+Left are pressed navigate back
e.Handled = true;
RaiseGoBackGestured();
}
else if (virtualKey == VirtualKey.Back && winKey)
{
// When the next key or Win+Backspace are pressed navigate backward
e.Handled = true;
RaiseGoBackGestured();
}
else if (((int)virtualKey == 167 && noModifiers) || (virtualKey == VirtualKey.Right && onlyAlt))
{
// When the next key or Alt+Right are pressed navigate forward
e.Handled = true;
RaiseGoForwardGestured();
}
else if (((int)virtualKey == 69 && controlKey))
{
// when control-E
e.Handled = true;
RaiseControlEGestured();
}
}
}
}
private void CoreDispatcher_AcceleratorKeyActivated(CoreDispatcher sender, AcceleratorKeyEventArgs e)
{
if ((e.EventType == CoreAcceleratorKeyEventType.SystemKeyDown ||
e.EventType == CoreAcceleratorKeyEventType.KeyDown))
{
var coreWindow = Windows.UI.Xaml.Window.Current.CoreWindow;
var downState = CoreVirtualKeyStates.Down;
var virtualKey = e.VirtualKey;
bool winKey = ((coreWindow.GetKeyState(VirtualKey.LeftWindows) & downState) == downState || (coreWindow.GetKeyState(VirtualKey.RightWindows) & downState) == downState);
bool altKey = (coreWindow.GetKeyState(VirtualKey.Menu) & downState) == downState;
bool controlKey = (coreWindow.GetKeyState(VirtualKey.Control) & downState) == downState;
bool shiftKey = (coreWindow.GetKeyState(VirtualKey.Shift) & downState) == downState;
// raise keydown actions
var keyDown = new KeyboardEventArgs
{
AltKey = altKey,
Character = ToChar(virtualKey, shiftKey),
ControlKey = controlKey,
EventArgs = e,
ShiftKey = shiftKey,
VirtualKey = virtualKey
};
try { KeyDown?.Invoke(keyDown); }
catch { }
// Only investigate further when Left, Right, or the dedicated Previous or Next keys
// are pressed
if (virtualKey == VirtualKey.Left
|| virtualKey == VirtualKey.Right
|| (int)virtualKey == 166
|| (int)virtualKey == 167
|| (int)virtualKey == 69)
{
bool noModifiers = !altKey && !controlKey && !shiftKey;
bool onlyAlt = altKey && !controlKey && !shiftKey;
if (((int)virtualKey == 166 && noModifiers)
|| (virtualKey == VirtualKey.Left && onlyAlt))
{
// When the previous key or Alt+Left are pressed navigate back
e.Handled = true;
RaiseGoBackGestured();
}
else if (virtualKey == VirtualKey.Back && winKey)
{
// When the next key or Win+Backspace are pressed navigate backward
e.Handled = true;
RaiseGoBackGestured();
}
else if (((int)virtualKey == 167 && noModifiers) || (virtualKey == VirtualKey.Right && onlyAlt))
{
// When the next key or Alt+Right are pressed navigate forward
e.Handled = true;
RaiseGoForwardGestured();
}
else if (((int)virtualKey == 69 && controlKey))
{
// when control-E
e.Handled = true;
RaiseControlEGestured();
}
}
}
}